Copernicus, Nicolaus (1473-1543)

Copernicus was a Polish/German astronomer and the first person to present a unified theory of the solar system with the sun at the center rather than the earth. He is considered the father of modern astronomy.


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First Day Covers

Cover Description
Date: 4/23/1973
Location: Washington, D.C., USA
Date: 4/23/1973
Location: Washington, D.C., USA
Date: 11/13/1973
Location: Berlin, Germany